Best Smart Rings · head-to-head

Samsung Galaxy Ring vs Circular Ring 2

A sourced, side-by-side comparison. Circular Ring 2 is cheaper at $379. Every spec and price links to its source.

Which is better: the Samsung Galaxy Ring or Circular Ring 2?

On the specs we track, they're closely matched. The Circular Ring 2 is the cheaper at $379.

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Full spec sheet

✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Samsung Galaxy Ring Circular Ring 2
US price $399.99 $379
BrandSamsungCircular
Released2024-072025-08
Material Titanium (Titanium Black, Silver, Gold finishes) Titanium (PVD coating on premium finishes)
Weight (g) 2.3-3.2 3
Battery days 7 8
Spo2 Yes Yes
Temperature sensor Yes Yes
Ecg No Yes
Subscription required No No
Water resistance (m) 100 —

Sources — Samsung Galaxy Ring: samsung.com (verified 2026-06-15). Circular Ring 2: shop.circular.xyz (cited since 2026-10-12; read 2026-06-15 at another shop.circular.xyz page).

What's the difference between the Samsung Galaxy Ring and Circular Ring 2?

Where the two actually differ on the specs we track (4 of 8). Matching specs are omitted.

  • Material: Samsung Galaxy Ring Titanium (Titanium Black, Silver, Gold finishes) vs Circular Ring 2 Titanium (PVD coating on premium finishes)
  • Weight (g): Samsung Galaxy Ring 2.3-3.2 vs Circular Ring 2 3
  • Battery days: Samsung Galaxy Ring 7 vs Circular Ring 2 8
  • Ecg: Samsung Galaxy Ring false vs Circular Ring 2 true

What reviewers say

Sourced tester consensus for each — the "what people who used it think" layer, not just specs.

Samsung Galaxy Ring

Four whitelisted testers (Engadget, Tom's Guide, TechRadar, GSMArena) wore it hands-on: a comfortable, lightweight sleep-and-wellness tracker with subscription-free Samsung Health and roughly 5-6 day battery. All flag the steep $399 price and reliance on a Samsung/Android phone; GSMArena found running tracking unreliable without GPS. Enthusiasm ranged from Editor's Choice to merely satisfactory. (4 sourced reviews, 4 lab-tested.)

Praised: Comfortable, lightweight, and easy to sleep with; No subscription fee — full Samsung Health access included; Long battery life, roughly 5-6 days, plus a multi-charge case.

Flagged: Steep price, more expensive than Oura and even the Galaxy Watch 7; Requires a Samsung/Android phone with Samsung Health; no iOS support; Weak workout tracking — only auto-logs walking/running, no GPS.

Circular Ring 2

No sourced tester review yet.

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